Kogin Thames

gurbatar kogin da ya raba London

Saboda Ingilishi ba ta da wata sanarwa ta bayyana sosai ba ta da yawan koguna. Kogin da yake da babban faɗi wannan Kogin Thames. Yana ɗaya daga cikin sanannun duniya kuma yana da alhakin raba London zuwa gida biyu. Bugu da kari, ita ce babbar hanyar samar da ruwa a kasar.

A cikin wannan labarin zamu gaya muku duk halaye, asali, ilimin ƙasa da mahimmancin Kogin Thames.

Babban fasali

gicciye ta hanyar thamesis

Ita ce kogi mafi girma da ƙarfi a cikin Ingila wanda ke kwarara zuwa Tekun Arewa kuma ya haɗa babban birnin tsibirin, London, da Tekun Arewa. Kasancewar tsibiri, tsayin yini ba zai misaltu da na sauran koguna nahiyoyi ba, amma yayi kama da tsayi da sauran koguna a Turai. Misali, yana da tsawo kamar na kogin Segura a Spain. Asalin ya fito ne daga mahadar koguna 4: da Kogin Churn, da Kogin Coln, da Isis River (wanda aka fi sani da suna Windrush River), da Kogin Leach.

Asalin Kogin Thames ya fito ne daga zamanin Pleistocene, wanda shine dalilin da yasa ake ɗaukar sa a matsayin matashin kogi. A waccan lokacin ta malalo daga farkonta daga Wales zuwa Clacton-on-sea. A hanyarsa ta tsallaka duka Tekun Arewa don zama rafin Ruwan Rhine.Yau, wannan kogin yana da mahimmancin gaske don samar da ruwan sha. A wancan lokacin yana daya daga cikin mahimman hanyoyin sadarwa kuma jigila tsakanin Westminster da London yayin ƙarni na XNUMX da XNUMX.

Ofaya daga cikin abubuwan sha'awar wannan kogin shine ya daskare sau ɗaya a shekara ta 1677 kuma tun daga wannan lokacin bai sake yin hakan ba. Dalilin haka shi ne cewa an sake fasalta duk gadar London kuma lambar da yawan madogara ta ragu wanda hakan ya ba da damar kwararar cikin sauki. Ta wannan hanyar, ta hanyar ƙarfafawa rafin kogi ya tafi da sauri, ruwa a ƙarshen yana daskarewa.

Tushen kogin Thames

Kogin Thames

Za mu ga abin da tushe, ragi da zurfin Kogin Thames suke da shi. Duk hanyar kogin ta bar tunanin asalin. Akwai garuruwa da yawa da suke da'awar su ne wurin da kogin yake da asalinsa. Kogin Thames ya samo asali ne daga kan Thames da maɓuɓɓugan Bakwai. A lokutan mafi sanyi na shekara da kuma cikin lokacin damina, lokaci ne mafi kyau don ziyartar wannan wurin. Yana ɗayan kyawawan wurare don ganin kogin yana kwarara kusa da abin tunawa.

Thames kogin fauna

Ba a san wannan kogin kawai da raba Ingila gida biyu ba amma kuma an san shi da fauna. A cikin shekaru goma da suka gabata an rubuta adadin dabbobi masu shayarwa da suka karya tarihi. Societyungiyar da aka sadaukar domin kulawa da kiyaye dabbobi ta yi rajista da dama fiye da gan-gan 2000 na dabbobi a cikin shekaru goman da suka gabata. Yawancin dabbobin da aka gano na ƙungiyar dabbobi masu shayarwa na dabbobin Kogin Thames hatimi ne. An kuma yi iƙirarin cewa an sami kifayen dolphin da kusan kifaye 50.

Duk waɗannan alkaluman sun bambanta da na shekaru 50 da suka gabata lokacin da aka ayyana wurin shakatawar a cikin yanayin mutuwar ɗabi’ar rayuwa. Duk da irin tunanin da mutane suke yi lokacin da suke tafiya zuwa London da ganin Kogin Thames, a zahiri suna adana nau'ikan namun daji da yawa. Misali, akwai bikin shekara-shekara na kidayar swans wanda a ke kirga duk wadannan kyawawan tsuntsayen tare da 'ya'yansu kuma kungiyoyin likitocin dabbobi da masana kimiyya suna bincika su sosai don cututtuka.

Farauta da tattara ƙwan swans haramun ne gaba ɗaya tunda wadatar waɗannan tsuntsayen na da matukar muhimmanci ga duk ayyukan da kambin ya aiwatar a ƙarni na XNUMX. Adadin waɗannan tsuntsayen an kiyaye su don duk shekarun da suka biyo baya a matsayin al'ada kuma hanya ce ta tabbatar da kiyaye wannan nau'in. Bugu da kari, suna ba da wannan kyan gani na kima wanda ba zai misaltu ba wanda ya maida shi wani abu na halitta. Rage nau'ikan halittu gaskiya ne tun shekaru 200 da suka gabata zaka iya ganin adadin Swans ninki biyu a yanzu. Mafarauta ba bisa doka ba, karnuka har ma da gurbacewar kogin da kanta sun rage adadin sirrin.

Gurbatawa da tasiri

tamesis da asali

Dole ne a tuna da shi cewa kogi ne wanda yake ratsa tsakiyar manyan biranen kuma gurbacewar sa. Ya kasance cikin yanayin ci gaba mai saurin ci gaba a shimfidar kilomita 70 daga yankin Gravesend zuwa makullin Teddington tun samfurin da aka gudanar a cikin 1957 ya tabbatar da cewa babu wani kifin da ke da damar rayuwa a cikin waɗannan ruwan.

Lokacin da ba shi da matsala, Kogin Thames wuri ne mai kyau don kifin kifi da sauran kifin ma, kuma ana amfani da kamun kifi a matsayin al'ada. Yayin da gari ya bunkasa kuma mutane suka karu, adadin shara da ake cewa ga kogin shima ya karu. An kwashe shekaru da yawa, amma bayan 1800 da gaske ne lokacin da gurɓatarwa ta zama babbar matsala.

Duk ruwan ya fara gurɓacewa kuma ba a kula da shi ba. Duk wannan ya haifar da yaduwar kwayoyin cuta wadanda ke rage iskar oxygen da ke cikin ruwan Abu ne mai mahimmanci ga ranar kifi da cigaban ciyayi mai cikin ruwa. Domin saukaka wadannan matsalolin, an shirya ayyukan dawo da kogin, ganin ci gaban masana'antar sinadarai ya karu, wanda hakan ya kara gurbatar yanayi. Masana'antar sinadarai da kamfanin gas ya zubar da duk sharar cikin kogin ko ya kara gurbatar gurbatarwar.

A yau har yanzu gurɓatacce ne amma yanzu yana ɗaya daga cikin tsaftatattun koguna da ke ratsa gari. Aikin dawo da har yanzu yana da wahala amma an riga an sami sakamako.

Ina fatan cewa tare da wannan bayanin zaku iya koyo game da Kogin Thames da halayensa.


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